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Rh have much reason to conclude that there is an open strait through." Hunter's "much reason to conclude" implies no more doubt about the strait than do the words of Bass, but the phrase does imply a recognition of the want of conclusive proof, creditable to the restrained judgment of both men. Flinders also wrote: "There seemed to want no other proof of the existence of a passage than that of sailing positively through it," which is precisely what he set himself to do in Bass's company, as soon as he could secure an opportunity. Still stronger testimony is that of Flinders, when summing up his account of the discovery: "The south-westerly swell which rolled in upon the shores of Westernport and its neighbourhood sufficiently indicated to the penetrating Bass that he was exposed to the southern Indian Ocean. This opinion, which he constantly asserted, was the principal cause of my services being offered to the Governor to ascertain the principal cause of it." Further, although Colonel David Collins was not in Sydney at the time of the discovery, what he wrote in his Account of the English Colony in New South Wales (2nd edition, London, 1804), was based on first-hand information; and he was no less direct in his statement: "There was every appearance of an extensive strait, or rather an open sea"; and he adds that Bass "regretted that he had not been possessed of a better vessel, which would have enabled him to circumnavigate Van Diemen's Land" (pp. 443-4).

These passages, when compared with Bass's own careful language, leave no doubt that Bass was fully conscious of the great discovery he had made, though a complete demonstration was as yet lacking.